U threw optifine to the wrong folder.
U can't use optifine in intelij idea unless u somehow remake it to not crash.
Run ur liquidbounce without intelij idea when u finish making what u want.
@Zhao-Yun Because of massive changes in LiquidBounce's script API, a lot of things don't work anymore, including Core. A ton of things in Core also got ported over to regular LiquidBounce, with the exception of ThemeManager.
You need to send C04PacketPlayerPosition packets to make a simple damage, and if you try to hit yourself with killaura, you will be kicked (even from singleplayer) for: "Cannot interact with self" (or something of that sort of a message) as it is an illegal entity interaction